141525256221 has 24 divisors (see below), whose sum is σ = 212821553880. Its totient is φ = 90516456576.

The previous prime is 141525256183. The next prime is 141525256231. The reversal of 141525256221 is 122652525141.

141525256221 is a `hidden beast` number, since 1 + 4 + 1 + 5 + 2 + 5 + 25 + 622 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47039103225 + 94486152996 = 216885^2 + 307386^2 .

It is not a de Polignac number, because 141525256221 - 2¹⁰ = 141525255197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141525256231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1685910 + ... + 1767863.

It is an arithmetic number, because the mean of its divisors is an integer number (8867564745).

Almost surely, 2^141525256221 is an apocalyptic number.

It is an amenable number.

141525256221 is a deficient number, since it is larger than the sum of its proper divisors (71296297659).

141525256221 is a wasteful number, since it uses less digits than its factorization.

141525256221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453965 (or 3453962 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 141525256221 in words is "one hundred forty-one billion, five hundred twenty-five million, two hundred fifty-six thousand, two hundred twenty-one".